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2 years ago

What might be the result of removing a top predator from a marine biome?

Chemistry

1 answer:

julsineya [31]2 years ago

4 0

Answer:

Explanation:

Due to the fact that no one will eat the fish, their population starts growing.

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A sample of three mixed gases is at 632.0 mmhg. if the partial pressure of co2 is 124.3 mmhg and the partial pressure of n2 is 4

goldfiish [28.3K]

According to Dalton's Law of Partial pressures, the sum of the partial pressures of the individuals gas molecules that occupy a specific volume allows us to find the total pressure or find one of the partial pressures if the total pressure is known.

Partial pressure O2 = 632 - 124.3 - 461.9 = 45.8 mm Hg.

5 0

3 years ago

Read 2 more answers

A sample of baking soda, naHCO3, always contains 27.37% by mass of sodium, 1.20% of hydrogen, 14.30% of carbon, and 57.14% of ox

Dvinal [7]

Answer: Law of definite proportion.

Explanation: Law of definite proportion states that any chemical compound consists of elements in a fixed ratio by their masses. This law is also known as Proust's Law.

We are given a chemical compound $NaHCO_3$

Assuming that the total mass of 1 mole of $NaHCO_3$ = 100 grams

where

Mass of Sodium = 27.37 grams

Mass of Hydrogen = 1.20 grams

Mass of Carbon = 14.30 grams

Mass of Oxygen = 57.14 grams

To Calculate the ratio of all the elements, we divide each of the masses by the lowest mass.

$\text{Mass ratio of Sodium}=\frac{27.37}{1.20}=22.80\approx 23$

$\text{Mass ratio of Hydrogen}=\frac{1.20}{1.20}=1$

$\text{Mass ratio of Carbon}=\frac{14.30}{1.20}=11.91\approx 12$

$\text{Mass ratio of Oxygen}=\frac{57.14}{1.20}=47.61\approx 48$

Mass ratio of elements in $NaHCO_3=Sodium:Hydrogen:Carbon:Oxygen$

Na : H : C : O = 23 : 1 : 12 : 48

For every $NaHCO_3$ compound, this mass ratio will always be constant.

4 0

4 years ago

How many moles of oxygen are required to react completely with 5.00 grams of hydrogen?

aliya0001 [1]

Answer:

Explanation:

4 0

3 years ago

In an endothermic reaction would energy be considered a reactant or a product?

timurjin [86]

Answer:

In an endothermic reaction, the products have more stored chemical energy than the reactants. In an exothermic reaction, the opposite is true. The products have less stored chemical energy than the reactants. The excess energy in the reactants is released to the surroundings

4 0

3 years ago

Is be2+ stable or not?<br> is Ne stable or not?<br> is Br- stable or not?<br> is h+ stable or not?

amid [387]

Explanation:

be2+ stable

Ne stable

Br- stable

h+ notstable

3 0

4 years ago

Read 2 more answers